The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 02, 1977
Filed:
Mar. 03, 1976
Applicant:
Inventor:
Manfred J Michlmayr, Walnut Creek, CA (US);
Assignee:
Chevron Research Company, San Francisco, CA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10G / ; C10G / ;
U.S. Cl.
CPC ...
208252 ; 208253 ;
Abstract
A petroleum oil containing, in parts by weight, at least 10 parts of vanadium and/or nickel per million parts of the oil is upgraded by contacting the oil in the liquid phase with an aqueous solution of at least one extraction agent of the group ferric salts soluble in acidified water and stannic chloride. The aqueous solution must have a pH at least sufficiently acidic to inhibit precipitation of the agent as hydroxide or basic salt.
Michlmayr, Manfred. (1977). Upgrading metal-contaminated petroleum oils containing vanadium and/or (U.S. Patent No. 4039432). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4039432
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile